早安伙伴们!
在我在 Android 中开发的项目的中间,我希望当他们按下图像时,当松开它时,会出现一个对话框,要求确认:
这是我必须打开图像的代码:
imgaccesorios.setOnTouchListener(new View.OnTouchListener(){
public boolean onTouch(View v, MotionEvent event) {
switch(event.getAction())
{
case MotionEvent.ACTION_DOWN :
imgaccesorios.setImageResource(R.drawable.accesorios2);
vibrator.vibrate(30);
break;
case MotionEvent.ACTION_UP :
notificaciones();
break;
}
return true;
}
});
这是通知方法:
public void notificaciones(){
AlertDialog.Builder builder = new AlertDialog.Builder(getApplicationContext());
builder.setTitle("Your Title");
builder.setMessage("Some message...")
.setCancelable(false)
.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// TODO: handle the OK
}
})
.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
AlertDialog alertDialog = builder.create();
alertDialog.show();
}
这是我按下按钮时得到的错误:
06-10 08:08:17.043 2500-2500/com.example.oftecnica2.appcorporativa E/InputEventReceiver: Exception dispatching input event.
06-10 08:08:17.043 2500-2500/com.example.oftecnica2.appcorporativa E/MessageQueue-JNI: Exception in MessageQueue callback: handleReceiveCallback
06-10 08:08:17.043 2500-2500/com.example.oftecnica2.appcorporativa E/MessageQueue-JNI: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
at android.support.v7.app.AppCompatDelegateImplBase.onCreate(AppCompatDelegateImplBase.java:124)
at android.support.v7.app.AppCompatDelegateImplV7.onCreate(AppCompatDelegateImplV7.java:146)
at android.support.v7.app.AppCompatDialog.<init>(AppCompatDialog.java:48)
at android.support.v7.app.AlertDialog.<init>(AlertDialog.java:92)
at android.support.v7.app.AlertDialog$Builder.create(AlertDialog.java:882)
at com.example.oftecnica2.appcorporativa.Catalogos.notificaciones(Catalogos.java:360)
at com.example.oftecnica2.appcorporativa.Catalogos$5.onTouch(Catalogos.java:223)
at android.view.View.dispatchTouchEvent(View.java:9987)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at com.android.internal.policy.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2831)
at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1863)
at android.app.Activity.dispatchTouchEvent(Activity.java:3046)
at com.android.internal.policy.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2792)
at android.view.View.dispatchPointerEvent(View.java:10228)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:5344)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5180)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4620)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4673)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4639)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4781)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4647)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4838)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4620)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4673)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4639)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4647)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4620)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:7306)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:7184)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:7145)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:7416)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:323)
at android.os.Looper.loop(Looper.java:143)
at android.app.ActivityThread.main(ActivityThread.java:7224)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
06-10 08:08:17.043 2500-2500/com.example.oftecnica2.appcorporativa D/AndroidRuntime: Shutting down VM
06-10 08:08:17.043 2500-2500/com.example.oftecnica2.appcorporativa E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.oftecnica2.appcorporativa, PID: 2500
java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
at android.support.v7.app.AppCompatDelegateImplBase.onCreate(AppCompatDelegateImplBase.java:124)
at android.support.v7.app.AppCompatDelegateImplV7.onCreate(AppCompatDelegateImplV7.java:146)
at android.support.v7.app.AppCompatDialog.<init>(AppCompatDialog.java:48)
at android.support.v7.app.AlertDialog.<init>(AlertDialog.java:92)
at android.support.v7.app.AlertDialog$Builder.create(AlertDialog.java:882)
at com.example.oftecnica2.appcorporativa.Catalogos.notificaciones(Catalogos.java:360)
at com.example.oftecnica2.appcorporativa.Catalogos$5.onTouch(Catalogos.java:223)
at android.view.View.dispatchTouchEvent(View.java:9987)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2839)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2514)
at com.android.internal.policy.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2831)
at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1863)
at android.app.Activity.dispatchTouchEvent(Activity.java:3046)
at com.android.internal.policy.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2792)
at android.view.View.dispatchPointerEvent(View.java:10228)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:5344)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5180)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4620)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4673)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4639)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4781)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4647)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4838)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4620)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4673)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4639)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4647)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4620)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:7306)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:7184)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:7145)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:7416)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185)
at android.os.MessageQueue.nativePollOnce(Native Method)at android.os.MessageQueue.next(MessageQueue.java:323)
at android.os.Looper.loop(Looper.java:143)
at android.app.ActivityThread.main(ActivityThread.java:7224)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteI
我正在等待您的帮助以获得问题对话框,在此先感谢大家:)
如果即使您的活动主题是
Theme.AppCompat
(或直接或间接继承自),您仍然收到错误,原因可能如下。Builder 接收的第一个参数(用于构建 Dialog)必须
this
代替getApplicationContext()
. 这适用于活动。我通常会键入
this
,但是从匿名类中复制了该行。更多信息:https ://stackoverflow.com/a/32373424/3692788
此错误应该是由于您
Activity
尝试应用ActionBarActivity
需要AppCompat.theme
.检查在您的文件
styles.xml
中,您的父主题是否具有parent
不等于以下内容或不从以下内容扩展,即具有相同的开头:如果没有,请打开您的
Manifest.xml
和 在给您错误的标签<activity...>
中,检查android:theme
.失败的另一个可能原因可能是在您的类中您没有从扩展
AppCompatActivity
或者它是Fragment
.我希望我对您有所帮助,请检查一下并告诉我它是否有效。
祝你的应用好运!